Showing 381 - 400 results of 607 for search '"aircraft"', query time: 0.05s Refine Results
  1. 381

    Numerical Simulation of Ground Effect on Circulation Control Airfoil by Quanbing Sun, Zhiwei Shi, Weilin Zhang, Zhikun Sun, Yongliang Chen

    Published 2022-01-01
    “…Circulation control (CC) is used extensively to control the attitude of rudderless aircraft experiencing ground effect in take-off and landing phases. …”
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    Article
  2. 382

    Parametric Studies of Flat Plate Trajectories Using VIC and Penalization by François Morency, Héloïse Beaugendre

    Published 2018-01-01
    “…Flying debris is generated in several situations: when a roof is exposed to a storm, when ice accretes on rotating wind turbines, or during inflight aircraft deicing. Four dimensionless parameters play a role in the motion of flying debris. …”
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    Article
  3. 383

    Review of Comprehensive Measurements of Speciated NOy and its Chemistry: Need for Quantifying the Role of Heterogeneous Processes of HNO3 and HONO by Hajime Akimoto, Hiroshi Tanimoto

    Published 2020-11-01
    “…For the further validation of CTMs with individual species of NOy, previous field studies of comprehensive observation of NOy speciation in ground-based and aircraft campaigns have also been reviewed. Studies combining observations of speciated NOy and model simulations need to be performed to improve chemistry models used in CTMs.…”
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    Article
  4. 384

    Modeling and Simulation of Wake Safety Interval for Paired Approach Based on CFD by Xin He, Yilong Ma, Hong Yang, Yaqing Chen

    Published 2021-01-01
    “…This paper proposes a method for optimizing the wake separation between aircrafts which utilizes a paired approach, aiming at reducing longitudinal separation by using computational fluid dynamics technology. …”
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    Article
  5. 385

    Study on the Tooth Profile Parameters Design Method of Crown Gear Coupling for Helicopter Tail Folding Device by Miaomiao Li, Zhao Zhang, Xi Wang, Shuai Liu, Rupeng Zhu

    Published 2022-01-01
    “…Shipboard helicopter folding technology can increase the number of helicopters parked on board aircraft carriers. Crown gear coupling is the trend in helicopter tail rotor folding technology due to its ability to automatically and quickly engage and disengage helicopter tail rotors. …”
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    Article
  6. 386

    Representation of Ethiopian Wet Spells in Global and Nested Models by Mark R. Jury, Sen Chiao

    Published 2014-01-01
    “…The GFS (ECMWF) initialization yields stronger northerly (southerly) winds north (south) of Ethiopia, while aircraft observations are southerly at 850 mb and northerly at 700 mb. …”
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    Article
  7. 387

    A new Track of Fatigue crack growth in Aluminum Alloy (2219) under Cyclic Stresses by Abdullah Dhayea Assi

    Published 2020-12-01
    “…The comparison showed that the proposed model is safer than the experimental results for the designed parts of aircraft. …”
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    Article
  8. 388

    Analysis of Metallic Nanoparticles (Cu, Al2O3, and SWCNTs) on Magnetohydrodynamics Water-Based Nanofluid through a Porous Medium by P. K. Pattnaik, S. K. Parida, S. R. Mishra, M. Ali Abbas, M. M. Bhatti

    Published 2022-01-01
    “…The significance of this study stems from the fact that the design of various equipment, such as nuclear power plants, gas turbines, propulsion devices for aircraft, and missiles, is dependent on radiative heat transfer. …”
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    Article
  9. 389

    Study of Manufacturing Process of Holes in Aeroengine Heat Shield by Anyuan Jiao, Weijun Liu

    Published 2019-01-01
    “…The nickel-based superalloy GH3128 with high plasticity, high long-lasting creep strength, good resistance to oxidation and stamping, and good welding performance is widely used in aircraft engine heat shields. The many holes that need to be machined on the heat shield are not only small in diameter but also dense, and GH3128 as a typical hard-to-process material has the problems of large cutting force, high cutting temperature, and serious hardening. …”
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    Article
  10. 390

    Analysis and Research of the High-Cycle Fatigue Fracture Mode Based on Stress Ratio and Residual Stress of Ti-6Al-4V by Fu Wang, Jian-Jun Wang, Qin-Sheng Li, Guo-Zhu Ren, Xin-Jian Zhang, Shu-quan Zhang

    Published 2022-01-01
    “…They are widely used in aircraft fuselage, gas turbine, petrochemical, automotive industry, medical, and other fields for important parts.…”
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    Article
  11. 391

    Smolyak-Grid-Based Flutter Analysis with the Stochastic Aerodynamic Uncertainty by Yuting Dai, Chao Yang

    Published 2014-01-01
    “…Finally, the flutter uncertainty analysis methodology was applied to an aircraft's wing model. The influence of uncertainty with uniform distribution for aerodynamic pressure coefficients on flutter boundary was quantified. …”
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    Article
  12. 392

    Linear Matrix Inequalities in Fault Detection Filter Design for Linear Ostensible Metzler Systems by Dušan Krokavec, Anna Filasová

    Published 2025-01-01
    “…Finally, a linearized model of the B747-100/200 aircraft is used to validate the proposed method. The numerical solution and simulation results show that the proposed approach provides superior sensitivity of the fault detection filter in detecting faults, compared to synthesis methods that do not guarantee the positivity of the filter gain.…”
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  13. 393

    Observation and Numerical Simulation of Terrain-Induced Windshear at the Hong Kong International Airport in a Planetary Boundary Layer without Temperature Inversions by P. W. Chan, K. K. Hon

    Published 2016-01-01
    “…Terrain-induced windshear at Hong Kong International Airport (HKIA) could be hazardous to the landing and departing aircraft. Such windshear occurring in a planetary boundary layer without temperature inversions is studied in this paper by using the data from the Terminal Doppler Weather Radar and Light Detection and Ranging systems. …”
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    Article
  14. 394

    Performance Enhancement of MRAC via Generalized Dynamic Inversion by Alharith Mahmoud, Abdulrahman H. Bajodah

    Published 2025-01-01
    “…Simulations are conducted on a flying wing aircraft model to demonstrate the efficacy of the proposed design.…”
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  15. 395
  16. 396

    Synthesis and Numerical Analysis of Compliant Devices: A Topology Optimization Approach for Mechanisms and Robotic Systems by S. Premanand, G. Arunkumar, Venkatesa Prabhu Sundramurthy

    Published 2022-01-01
    “…The topology optimization design invariably shall be used in various applications such as four bar mechanisms, robotics designs, aircraft engineering designs, and many other mechanical innovative systems for improving the efficiency in the system. …”
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    Article
  17. 397

    Mechanical Properties of Titanium Diboride Particles Reinforced Aluminum Alloy Matrix Composites: A Comprehensive Review by V. Mohanavel, M. Ravichandran, V. Anandakrishnan, Alokesh Pramanik, M. Meignanamoorthy, Alagar Karthick, M. Muhibbullah

    Published 2021-01-01
    “…In recent decades, aluminum matrix composites (AMCs) are an advanced engineering material widely utilized in diverse engineering applications, including aircraft, automobile, marine, and shipbuilding, owing to their low density, lightweight, good stiffness, superior strength, and good tribological properties. …”
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  18. 398
  19. 399

    A Robust H∞ Controller for an UAV Flight Control System by J. López, R. Dormido, S. Dormido, J. P. Gómez

    Published 2015-01-01
    “…The reference vector used in the control architecture formed by vertical velocity, true airspeed, and heading angle, suggests a nontraditional way to pilot the aircraft. The simulation results show that the proposed control scheme works well despite the presence of noise and uncertainties, so the control system satisfies the requirements.…”
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  20. 400

    Reconstructed Target Range Profile via Unitary ESPRIT Superresolution Algorithm by Rui Zhang, Min Zhang, Xin Wang, Zhaohui Cai

    Published 2017-01-01
    “…Recognition results using four different aircraft models are presented to assess the effectiveness of the proposed technique, and they are compared with those of the conventional range profiles obtained by fast Fourier transform (FFT). …”
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